Our Space Shuttle custom invitation is the perfect choice to invite guests to a birthday party. Space Shuttle invitations are available in 2 sizes, 4" x 6" or 5" x 7" with matching size envelopes and can be used as an invitation or as a baby announcement. Choose from 12 type styles and 24 colors when you customize this invitation for a special party. All custom invitations are printed on hiqh quality card stock and are sold in a minimum of 10 invitations. Additional invitations can be ordered in 2 invitation increments.